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Finding the Fourth Proportional to 145,873.01, 218,809.56 and 46,043.30

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Solution

The fourth proportional to 145,873.01, 218,809.56 and 46,043.30 is: 69,064.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,873.01 : 218,809.56 = 46,043.30 : x
  2. Step 2: Convert to fraction form
    145,873.01/218,809.56 = 46,043.30/x
  3. Step 3: Cross multiply
    145,873.01x = 218,809.56 × 46,043.30
  4. Step 4: Simplify right side
    145,873.01x = 10,074,713,119.90
  5. Step 5: Solve for x
    x = 10,074,713,119.90/145,873.01
  6. Step 6: Final answer
    x = 69,064.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.